Glossary: Fruit / seed morphology

Purdue Arboretum botanical terminology reference and learning database.

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Fruit / seed morphology

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Achene

Fruit / seed morphology

Synonyms: Achenes

Achene A dry one-seeded fruit that does not normally split open Did you know? What most people call a sunflower seed is actually an achene. The striped shell is the fruit wall, and the edible kernel inside is the seed.

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Aril

Fruit / seed morphology

Synonyms: Arils

Aril An appendage growing at or near the hilum of a seed. A fleshy thickening of the seed coat, as in yews. Did you know? The juicy red parts of a pomegranate are arils, each surrounding a seed.

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